Machine Design The objective of idler pulley in belt drive is to Increase the power transmission capacity Increase the wrap angle and belt tension All the above objectives Decrease the tendency of belt to slip Increase the power transmission capacity Increase the wrap angle and belt tension All the above objectives Decrease the tendency of belt to slip ANSWER DOWNLOAD EXAMIANS APP
Machine Design The expression 0.175 - 0.841/T is the Lewis form factor for 14½° composite and full depth involute system 20° stub system None of these 20° full depth involute system 14½° composite and full depth involute system 20° stub system None of these 20° full depth involute system ANSWER DOWNLOAD EXAMIANS APP
Machine Design A woodruff key is All of these Fitted in pairs at right angles A tapered key with head at one end Capable of tilting in a recess milled out in the shaft All of these Fitted in pairs at right angles A tapered key with head at one end Capable of tilting in a recess milled out in the shaft ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following bearing is preferred for oscillating conditions? Angular contact single row ball bearing Taper roller bearing Double row roller bearing Needle roller bearing Angular contact single row ball bearing Taper roller bearing Double row roller bearing Needle roller bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design The included angle for the British standard whitworth thread is 60° 47.5° 29° 55° 60° 47.5° 29° 55° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T₁, and T₂ = Tensions on the tight and slack sides of belt respectively, μ = Coefficient of friction, between the belt and pulley, and θ = Angle of contact) T₁/T₂ = μθ log (T₁/T₂) = μθ T₁/T₂ =eμθ T₁/T₂ = log μθ T₁/T₂ = μθ log (T₁/T₂) = μθ T₁/T₂ =eμθ T₁/T₂ = log μθ ANSWER DOWNLOAD EXAMIANS APP